Trane DFIA, Установка, эксплуатация и обслуживание

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52 Direct-Fired Make-up Air • MUA-SVX01A-EN
Maintenance
3. Quarterly:
a. Complete the monthly maintenance schedule.
b. Check the belt tension for the main fan(s) and adjust if necessary.
c. Check the alignment of the sheaves and adjust if necessary.
d. Inspect all bearings, set-screws for tightness and lubricate bearings if
necessary.
e. Check the pilot electrical system. Adjust if necessary.
f. Check the pilot assembly. Clean and adjust if necessary.
g. Inspect the burner carefully. clean and adjust if necessary.
h. Check voltages and amp draw on main fan motor.
i. Check the operation of all safety controls individually.
j. Check the operation of the automatic gas shut-off valves and check them
for leakage at the pressure test ports provided.
k. On vertical units, inspect burner drip leg and drain if necessary.
4. Off-Season/Yearly:
a. Complete the monthly and quarterly maintenance schedule.
b. Inspect all fan wheels and housings. Clean if necessary.
c. Check that all fan wheels and sheaves are securely set on the shaft.
d. Inspect all bearings and alignment. Adjust if necessary.
e. Inspect all V-belts. Replace if necessary.
f. Inspect all electrical components, connections, and terminals. Clean and
tighten where necessary.
g. Test ignition spark. Adjust gap if necessary.
h. Clean ignition electrodes and check for cracks.
i. Test flame safeguard relay and replace components if necessary.
j. Inspect all regulators, relief valves, motorized valves, solenoid valves,
vent valves, manual shut-off valves and safety shut-off valves. Check their
operation and clean as necessary.
k. Ensure all vents to the atmosphere are clean and free from obstruction.
l. Inspect and clean all drip legs in the fuel line.
m. Lubricate fan motor as directed by motor manufacturer.
n. Inspect fan motor wiring for loose connections.
o. Lightly oil all door latches.
p. Check that the cabinet is weathertight. Replace door gaskets and recaulk
as necessary.
Note: It is important to keep screened air intakes clear of obstructions at all time.